Home / 40,058.16-55,287-23,300.88

Finding the Fourth Proportional to 40,058.16, 55,287 and 23,300.88

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Solution

The fourth proportional to 40,058.16, 55,287 and 23,300.88 is: 32,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,058.16 : 55,287 = 23,300.88 : x
  2. Step 2: Convert to fraction form
    40,058.16/55,287 = 23,300.88/x
  3. Step 3: Cross multiply
    40,058.16x = 55,287 × 23,300.88
  4. Step 4: Simplify right side
    40,058.16x = 1,288,235,752.56
  5. Step 5: Solve for x
    x = 1,288,235,752.56/40,058.16
  6. Step 6: Final answer
    x = 32,159.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.